Ultraviolet lamp tube and gas discharge UV lamp
AssigneeLangsim Optoelectronic Technologies (Guangdong) Limited
InventorsJiawei Li, Zhen Li
Life of this patent
Estimating the term…
Abstract
The present application discloses an ultraviolet lamp tube and a novel gas discharge UV lamp, which, through unique coating methods, can ensure monochromaticity of light output of the light source, while increasing the luminous angle of the ultraviolet lamp tube, thus effectively improving the light efficiency, simplifying structure, and greatly reducing production costs.
Claims20
An ultraviolet lamp tube, comprising an inner tube and an outer tube, the inner tube installed to penetrate through inside of the outer tube, wherein an excitation chamber is formed between the inner tube and the outer tube;
- an inner electrode arranged in the inner tube;
- wherein the outer tube comprises a curved surface portion and a flat surface portion, the curved surface portion and the flat surface portion connected to each other, wherein the curved surface portion is an arc-shaped surface arranged coaxially with the inner tube, and the flat surface portion is a plane;
- and wherein a first film layer is arranged on the flat surface portion, and a second film layer is arranged on the curved surface portion, and an outer electrode is installed on outer surface of the curved surface portion.
A gas discharge UV lamp, comprising an inner tube and an outer tube arranged coaxially;
- an inner electrode installed in the inner tube;
- wherein a sealed ionization discharge chamber is formed between the inner tube and the outer tube;
- wherein outer wall of the outer tube is plated with coating A, and the outer wall of the outer tube is also plated with a metal reflective coating, the reflective coating also serves as an outer electrode;
- and wherein the coating A and the metal reflective coating are arranged opposite to each other.
Dependencies are inferred from the claim text.